PubMed:32149773 / 1253-1261
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T198","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"Subjects"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok221","span":{"begin":0,"end":8},"obj":"NNP"}],"text":"Subjects"}